Yen Retreats Versus Dollar, Euro

NEW YORK—The yen slid against the dollar and the euro as investors raised their expectations that the Bank of Japan will ease monetary policy in the coming months.

The BOJ's Deputy Gov. Kiyohiko Nishimura said Wednesday that the Japanese economy remains vulnerable and reiterated that policy makers are prepared to take more decisive steps to stimulate growth. The central bank has been pumping money into the financial system to keep interest rates low and try to raise inflation expectations toward its 1% goal, and traders...